Koss Pro4AA Titanium

Data

General

• Manufacturer: Koss
• Model: Pro4AA Titanium

years of construction: 1970 - 1986, 1988 until today

• Weight:
• Made in: USA
• New price (UVP): approx. 100 US-$ (80 €)

Technical Data

• Principle: Dynamic, closed
• Coupling to the ear: Ear wrapping
• Impedance: 250 Ohm
• Rated power handling:
• Push force:
• Frequency response: 10 - 25,000 Hz
• Distortion factor: < 0,1%
• Sound pressure level: 95 dB
• Plug: jack 3.5/6.3 mm
• Cable: 2.5 m spiral cable

Special Features

• -

Remarks

Other models of the same series: